In an unpublished opinion, the Ninth Circuit affirmed summary judgment for the U.S. government in a CERCLA liability lawsuit, requiring oil companies to reimburse approximately $50 million of EPA…

The D.C. Circuit vacated a district court's grant of summary judgment to EPA in a challenge to the Agency's approval of a permitting program for coal ash disposal facilities in Oklahoma…

The Ninth Circuit reversed a previous ruling that vacated summary judgment for a California city in a RCRA citizen suit brought by an environmental group. The group had argued the city's…

The Ninth Circuit, 2-1, vacated summary judgment for a California city in a RCRA citizen suit brought by an environmental group. The group had argued the city's water wells were contaminated…

The U.S. Supreme Court unanimously held that a settlement of environmental liabilities must resolve a CERCLA-specific liability to give rise to a contribution action under §113(f)(3)(B), in a…

A district court granted summary judgment for a utility company in a lawsuit concerning groundwater discharges from coal ash ponds at its power plant in Kentucky. Environmental groups argued that…

A district court dismissed a RCRA citizen suit brought against present and former owners of chemical plants for allegedly releasing radioactive slag deposited on landowners' properties in New…

The Ninth Circuit affirmed a lower court ruling in a lawsuit concerning the U.S. government's and California's recovery of cleanup costs from a hazardous waste spill in the Sierra Nevada…

The Tenth Circuit upheld a lower court ruling ordering mining and finance companies to comply with EPA's requests for information related to cleanup of a contaminated site in Utah. The…

The Third Circuit held that a PRP's settlement with New Jersey resolving its state-law liability in connection with contamination at a municipal landfill did not protect the party from…